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Optimizely Knowledge Base

What's the difference between goals, events, and metrics

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RELEVANT PRODUCTS:
  • Optimizely X Web Experimentation
  • Optimizely X Web Personalization
  • Optimizely X Web Recommendations
  • Optimizely Classic

THIS ARTICLE WILL HELP YOU:
  • Distinguish between goals, events, and metrics

Goals, events, and metrics: what's the difference? All three have to do with tracking visitor actions and determining which variations are winning or losing, with some important distinctions.

In Optimizely Classic, you measure success with goals. The engagement goal (percentage of visitors who clicked any part of the experiment page) is included by default when you create a project. You can also create goals for clicks, pageviews, revenue, and custom events. The goal you choose as your primary goal determines which variations are winning and losing. Goals are saved at the project level.

In Optimizely X, you use events (not goals) to track visitor actions like clicks, pageviews, form submissions, and purchases. Events live on pages, which are reusable URL templates that let you choose where campaigns and experiments run. Each time you create a page, Optimizely automatically creates a pageview event for it. You can also create click and custom events.

Events are specific to projects. They're listed under Implementation > Events.

After you add events to an Optimizely X campaign or experiment, they become metrics. Metrics help you measure differences in visitor behavior based on changes you make to your site in experiment variations or personalized experiences. The event you choose as your primary metric determines which variations are winning and losing.

To find metrics for individual experiments, select an experiment and click Metrics in the Manage Experiment menu.

More resources

Add and delete goals or set primary goals in Optimizely Classic

Learn more about events in Optimizely X or set up an event

Set up a custom event in Optimizely X for visitor behaviors that you can't measure in pageviews or clicks